Importance of Niacin. Niacin is used by your body in a variety of ways. One main area is in the production of energy for your cells. Niacin helps your body convert the foods you eat into energy for your tissues and organs. Niacin is also used in digestion and nervous system function, and it keeps your skin healthy.
Cast. 1  Jeremy Sisto as Aaron Miller. 2  Kate Ashfield as Beth Miller. 3  Ryan Simpkins as Marley Miller. 4  Ty Simpkins as Max Miller. 5  Eric Michael Cole as Hangman. 6  Amy Smart as Melissa. 7  Ross Partridge.
Cast and Crew. Director Timothy Busfield; Screenwriter Keith Eisner; Main Cast. Kiefer Sutherland as Bill, Kal Penn as Jackie Newton, Maggie Q as Anna, Natascha McElhone as Janet, Italia Ricci as Diane, Adan Canto, LaMonica Garrett, Paulo Costanzo as Young Vito, Ben Lawson as Bud, Zoe McLellan; Additional Cast. Timothy Busfield, Tanner Buchanan, McKenna Grace